Sterilize (verb)

1. Make (something) free from bacteria or other microorganisms, typically by heating it to a high temperature or using chemicals.
2. Prevent (a person or animal) from being able to reproduce, typically by surgical means.

Origin:

Mid 19th century: from french stériliser or modern latin sterilizare, from sterilis (see sterile).

Examples:

1. He sterilized the equipment before using it.
2. The bottles were sterilized to make sure there were no bacteria.
3. The surgical instruments were sterilized before use.
4. The dog was sterilized to prevent unwanted breeding.
5. It is important to sterilize baby's bottles before use.